package org.geektimes.projects.user.bean.validation;

import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

@Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER})
@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = {MaxLengthValidator.class})
public @interface MaxLength {
    String message() default "{javax.validation.constraints.MaxLength.message}";

    Class<?>[] groups() default { };

    Class<? extends Payload>[] payload() default { };

    /**
     * @return value the element must be higher or equal to
     */
    long value();

    /**
     * Defines several {@link MaxLength} annotations on the same element.
     *
     * @see MaxLength
     */
    @Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
    @Retention(RUNTIME)
    @Documented
    @interface List {

        MaxLength[] value();
    }
}
